A restaurant owner wants to remodel her restaurant and hires a project management consultant to plan the project. The consultant identifies various activities that need to be completed and proposes a project network with activity times, which are provided in the table below:

Pessimistic Most Likely Optimistic Immediate Time Time Time Activity Predecessor(s) minutes (minutes) minutes A 12 5 A Hm tow A + N n mon B.D 11 B.D 12 G C.E 12 10